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Tsvetkov Yu. | 論文著者
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Tsvetkov Yu.
Institute Of Terrestrial Magnetism Ionosphere And Radio Wave Propagation Russian Academy Of Sciences
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Tsvetkov Yu.
Institute Of Terrestrial Magnetism Ionosphere And Radio Wave Propagation Russian Academy Of Sciences
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Tsvetkov Yu.
Institute Of Terrestrial Magnetism Ionosphere And Radio Wave Propagation Russian Academy Of Sciences (izmiran)